** something you should know before geocaching in China **
Due to national security concerns, the use of geographic information in China is restricted to entities that obtain a special authorization from the administrative department for surveying and mapping under the State Council.
The China GPS shift (or offset) problem is a class of issues stemming from the difference between the GCJ-02 and WGS-84 datums. Global Positioning System coordinates are expressed using the WGS-84 standard and when plotted on street maps of China that follow the GCJ-02 coordinates, they appear off by a large (often over 500 meters) and variable amount.
More info: https://en.wikipedia.org/wiki/Restrictions_on_geographic_data_in_China
So if you use official geocahing app, the google map or satellite view are very off. But the google satellite view in third party app such as c:geo match. Also you could follow OSM or your GPS, but checking spoiler is recommended cuz I use my phone to acquired coordinate so that it may not very accurate.
